| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.48 | 4.35 | 0.13 |
| Feb | 4.95 | 4.87 | 0.08 |
| Mar | 5.63 | 5.39 | 0.24 |
| Apr | 5.30 | 5.50 | -0.20 |
| May | 5.11 | 5.74 | -0.63 |
| Jun | 4.56 | 4.62 | -0.06 |
| Jul | 4.31 | 4.67 | -0.36 |
| Aug | 3.77 | 3.72 | 0.05 |
| Sep | 3.89 | 3.96 | -0.07 |
| Oct | 3.63 | 3.90 | -0.27 |
| Nov | 4.32 | 4.14 | 0.18 |
| Dec | 5.20 | 5.48 | -0.28 |
55.15 | 56.34 | -1.19 |